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Sabir, Mudassar; Ahmed, Waqas1; Gong, Yungui; Li, Tianjun2,3; Lin, Jiong
Helical phase inflation and its observational constraints
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Language英语
KeywordCOSMOLOGY
AbstractWe consider a class of helical phase inflation models from the N = 1 supergravity where the phase component of a complex field acts as an inflaton. This class of models avoids the eta problem in supergravity inflation due to the phase monodromy of the superpotential. We study the inflationary predictions of this class of models in the context of both standard and large extra dimensional brane cosmology, and find that they can easily accommodate the Planck 2018 and BICEP2 constraints. We find that the helical phase inflation has aattractors and the attractors depend on one model parameter only.
2020
ISSN1475-7516
Issue9Pages:38
Cooperation Status国内
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1088/1475-7516/2020/09/038
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27342
CollectionSCI期刊论文
Affiliation1.Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Hubei, Peoples R China
2.Nankai Univ, Sch Phys, Tianjin, Peoples R China
3.Univ Chinese Acad Sci, Sch Phys Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Sabir, Mudassar,Ahmed, Waqas,Gong, Yungui,et al. Helical phase inflation and its observational constraints[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2020(9):38.
APA Sabir, Mudassar,Ahmed, Waqas,Gong, Yungui,Li, Tianjun,&Lin, Jiong.(2020).Helical phase inflation and its observational constraints.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(9),38.
MLA Sabir, Mudassar,et al."Helical phase inflation and its observational constraints".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .9(2020):38.
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